Chess game on the mbed.
Dependencies: 4DGL-uLCD-SE PinDetect SDFileSystem mbed
Speaker.h@0:a5f9535b6e3d, 2016-03-14 (annotated)
- Committer:
- mbavare
- Date:
- Mon Mar 14 02:45:47 2016 +0000
- Revision:
- 0:a5f9535b6e3d
final
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbavare | 0:a5f9535b6e3d | 1 | #include "mbed.h" |
mbavare | 0:a5f9535b6e3d | 2 | // a new class to play a note on Speaker based on PwmOut class |
mbavare | 0:a5f9535b6e3d | 3 | class Speaker |
mbavare | 0:a5f9535b6e3d | 4 | { |
mbavare | 0:a5f9535b6e3d | 5 | public: |
mbavare | 0:a5f9535b6e3d | 6 | Speaker(PinName pin) : _pin(pin) { |
mbavare | 0:a5f9535b6e3d | 7 | // _pin(pin) means pass pin to the Speaker Constructor |
mbavare | 0:a5f9535b6e3d | 8 | } |
mbavare | 0:a5f9535b6e3d | 9 | // class method to play a note based on PwmOut class |
mbavare | 0:a5f9535b6e3d | 10 | void PlayNote(float frequency, float duration, float volume) { |
mbavare | 0:a5f9535b6e3d | 11 | _pin.period(1.0/frequency); |
mbavare | 0:a5f9535b6e3d | 12 | _pin = volume/2.0; |
mbavare | 0:a5f9535b6e3d | 13 | wait(duration); |
mbavare | 0:a5f9535b6e3d | 14 | _pin = 0.0; |
mbavare | 0:a5f9535b6e3d | 15 | } |
mbavare | 0:a5f9535b6e3d | 16 | |
mbavare | 0:a5f9535b6e3d | 17 | private: |
mbavare | 0:a5f9535b6e3d | 18 | PwmOut _pin; |
mbavare | 0:a5f9535b6e3d | 19 | }; |